Why is the red and white font pattern widely used in banners and billboards?

The red and white font pattern is mostly used in business signs, banners, slogans, etc. This is actually a typical example of applying color to life, and the military camouflage is the same principle. White fonts with red background or The combination of these two colors with red letters and white background has a potential effect in attracting business and attracting people's attention. Red is the color with the longest wavelength among all colors. It has the longest wavelength and the smallest refraction angle when penetrating the air. It is a straight line axially radiating in the air. The farther away the image is, the deepest position on the retina gives the vision a sense of approaching expansion, which is what people often call eye-catching. White is a color that contains all colors of light in the spectrum, and all colors can form strong contrasts, which is For example, when writing on yellow paper and writing on white paper at the same distance, the white color is much clearer than the writing on the yellow paper. This is why the background of the vision test is all white. The color affects people's judgment. If you can The skillful application of color in life can often achieve many purposes. The combination of these two colors makes people attracted when they look at it. It can be said to be the most perfect combination. This is why banners, slogans, and signboards all use this pattern